Roadblocks When I was growing up in 1970s Melbourne, you could still see these. Look closely. Can you see the roadway in the middle made of wooden blocks? They were laid in their millions in the late 19th century, not just in Melbourne, but in London, Berlin and Vienna.
Thanks for another interesting issue, Andrew. Your 'weight' topic reminded me of something I heard about the UC Berkley campus. They've got dedicated parking spots in prime locations reserved for their ten Nobel Laureates which is (or was when I heard about the story) more than any other university in the world. More here: https://www.dailycal.org/2015/06/08/nobel-laureate-parking-spaces-move-back-to-university-drive
Thanks for another interesting issue, Andrew. Your 'weight' topic reminded me of something I heard about the UC Berkley campus. They've got dedicated parking spots in prime locations reserved for their ten Nobel Laureates which is (or was when I heard about the story) more than any other university in the world. More here: https://www.dailycal.org/2015/06/08/nobel-laureate-parking-spaces-move-back-to-university-drive